标题：IMPLEMENTATION OF HIGH-SPEED AND HIGH-PRECISION SOBEL ALGORITHM BASED ON IMPROVED COORDINATE ROTATION DIGITAL COMPUTER USING IN ENERGY SEISMIC EXPLORATION
摘要：Seismic exploration is one of the important exploration methods in engineering geophysical prospecting. It is very important to make good seismic interpretation for the analysis of engineering geophysical exploration results. Edge detection can directly reflect the edge of seismic profile strata, which has a significant effect on improving the seismic data interpretation. On the premise of guaranteed edge identification accuracy of seismic profile strata, in order to improve the edge identification speed of seismic profile strata, a high-speed and high-precision Sobel algorithm based on optimized Coordinate Rotation Digital Computer (CORDIC) is proposed. Through the parallel data-handling method, it uses the pipelined CORDIC algorithm which extends data bits, covers all angles and disassembles multiple-bit addition or subtraction operations into singlebit addition or subtraction operations on the ZYNQ platform. It improves the efficiency of Sobel while ensuring calculation accuracy. The results of experiments show that compared with the traditional acceleration method, the method proposed in this research can increase the efficiency by 115.74 percent with the operation accuracy ensured.
